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An iPhone app for planning workouts and logging the ones you did. You build reusable plans, and you keep a log of sessions against a calendar. It is the squared notebook people kept in their gym bag, with the arithmetic done for you.

No, and there is no watch app. Squared Paper does not measure anything — no heart rate, no steps, no automatic detection. You tell it what you did. That is the whole idea: it replaces a piece of paper, not a sports scientist.

Yes. Everything is stored on the device, so a gym basement with no bars is a normal place to use it. Sync, if you have it on, catches up when you are back online.

No subscription, no in-app purchases, no ads and no account.

A group is a set of steps that belong together, and repeat is how many times you go through the group. That is what makes supersets work properly: a superset is one group holding two exercises, repeated four times — not four sets of one followed by four of the other.

For a straight exercise, use a group with one step and put the set count on the step itself.

No — fill in only what the step actually has. Sets, reps and weight for the things you count; duration and distance for the things you don’t; rest where there is rest. A 60-minute easy ride is one step with a duration and nothing else.

When you add a session, choose Import plan. The plan’s body is copied into the session, where you can change it freely — the copy is yours, and editing it never changes the plan. That matters, because what you planned and what you did are rarely identical, and the one worth keeping is the second.

Because a logged session is using it, and deleting the type would leave that session pointing at nothing. The app names the type and refuses. Change those sessions to another type first, or rename the type instead.

Settings → Sync with iCloud. Your plans and sessions go to the private database of your own iCloud account, and your other devices signed in to the same Apple Account pick them up. The developer has no access to any of it.

The switch is hidden where syncing is not possible — in the Simulator, for instance — rather than offered as a control that would do nothing.

The app reports what iCloud actually tells it, rather than showing a tick because it asked nicely — so if it says something is wrong, something is wrong. Check that you are signed in to iCloud, that iCloud Drive is on, and that the device has a connection. If it persists, write to francesco@francescorecupero.com and include what the message says.

The app stops mirroring and keeps working from the copy on that device — nothing local is lost. What is already in your iCloud stays there: it is your data in your account, and the app will not delete it behind your back. Remove it yourself in iOS Settings under your Apple Account.

Settings → Export backup writes everything to a single JSON file and lets you put it wherever you like. On the new phone, Settings → Import backup reads it back. The file is plain readable JSON, not a sealed blob, and backups from older versions still restore.

Import merges by identity rather than wiping: importing the same file twice does not duplicate anything. The app tells you what the file holds before it commits.

Each session, as a workout: the activity type and whether it was indoor, the date and start time, the duration, the distance where a step recorded one, and the workout’s name. Nothing else.

No. It asks for no read permission at all. It does look up the workouts it wrote itself, so that editing or deleting a session here updates Health instead of leaving a stale copy — and that lookup cannot see anything written by any other app or device.

They are still in Health. Turning the switch off stops new sessions being written; it does not remove what is already there. Delete those in the Health app, under Browse → Activity → Workouts.

Settings → Appearance. There are four: Night, Squared Paper, Sunset Grid and Neon Noir. The choice is kept on that device, so a phone and an iPad can look different.

Each one is measured against 28 contrast pairs before it can ship, including the awkward ones — a disabled control you still need to see, text crossing a ruling on the paper theme. A theme that fails does not ship. If something is still hard to read for you, that is worth an email: francesco@francescorecupero.com.

Yes. The app uses Dynamic Type throughout, so it follows the size you set in iOS Settings → Display & Brightness → Text Size, including the accessibility sizes.

That message means the app could not open its database, so anything added in that session is kept only until you close it. Reopening usually fixes it. If it keeps happening, write to francesco@francescorecupero.com — and if you have a backup file, hold on to it.

Please write. Tell me what you did, what happened and what you expected, and your iPhone model and iOS version if you know them. francesco@francescorecupero.com